The Bilstein B6 Performance series (Gas Pressure) are high-performance shock absorbers designed to be used with original factory springs. These monotube gas pressure dampers provide improved safety and sportiness, offering increased damping power while maintaining a high level of comfort for daily driving. Features a 36mm monotube design for consistent, fade-free performance. Perfect upgrade for OE shock absorbers to provide better vehicle dynamics and stability. Package contents: 1x Rear Shock Absorber (Part Number: 24-020527), securing nut, and bushings.